Question

A={2 la putere x -132<124-2 la putere x}
va rog​

Answer 1

$2 {}^{x} + 2 {}^{x} < 124 + 132 \\ 2 \times 2 {}^{x} < 256 \\ 2 {}^{x + 1} < 2 {}^{8} \\ x+ 1 < 8 \\ x < 7 \\ x\in( - \infty \: \c{} \: 7)$